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Chemistry Prof. Andrea Stierle, who has studied the Berkeley Pit, an old open pit copper mine in Butte, Mo., says any birds that drink from the artificial lake will likely be dead within a day or two. More
Dec 08, 5:29 PM ET readcommentsaudio

Raquel Urtasun is one of the University of Toronto researchers who developed a computer-generated Christmas song. She spoke with As It Happens host Carol Off about the creepy jingle. More
Dec 08, 5:56 PM ET readcomments